【itisthat的句式结构】在英语语法中，“it is that”是一个常见的强调句型，用于突出句子中的某个成分，如主语、宾语、状语等。这种句式结构常用于强调特定信息，使语言表达更加清晰和有力。以下是对“it is that”句式结构的总结与分析。
一、句式结构总结
“it is that”句式是一种强调句，其基本结构为：
It + be动词（is / was）+ 被强调部分 + that / who + 其余部分
该结构可以强调句子的主语、宾语、状语等成分，但不能强调谓语动词或整个句子。
1. 强调主语
- 原句：Tom broke the glass.
- 强调句：It was Tom that broke the glass.
2. 强调宾语
- 原句：I saw her in the park.
- 强调句：It was her that I saw in the park.
3. 强调时间状语
- 原句：I met him yesterday.
- 强调句：It was yesterday that I met him.
4. 强调地点状语
- 原句：She lives in Beijing.
- 强调句：It was in Beijing that she lives.
二、常见用法对比表
| 句子类型 | 原句 | 强调句结构 | 强调内容 |
| 强调主语 | Tom broke the glass | It was Tom that broke the glass | 主语（Tom） |
| 强调宾语 | I saw her | It was her that I saw | 宾语（her） |
| 强调时间状语 | I met him yesterday | It was yesterday that I met him | 时间状语（yesterday） |
| 强调地点状语 | She lives in Beijing | It was in Beijing that she lives | 地点状语（Beijing） |
| 强调方式状语 | He did it carefully | It was carefully that he did it | 方式状语（carefully） |
三、注意事项
1. 不能强调谓语动词：
- ❌ It was broke that the glass.（错误）
- ✅ It was Tom that broke the glass.（正确）
2. 不能强调整个句子：
- ❌ It was that Tom broke the glass.（错误）
- ✅ It was Tom that broke the glass.（正确）
3. “that”与“who”的使用：
- 当被强调的是人时，可用“who”代替“that”。
- 例：It was John who called me.
四、实际应用建议
在写作或口语中，适当使用“it is that”结构可以增强句子的逻辑性和重点性，尤其在需要突出某一部分信息时非常有用。不过要注意不要过度使用，以免显得生硬或不自然。
总结
“it is that”句式是英语中一种重要的强调结构，能够帮助说话者或作者更清晰地表达重点内容。通过合理运用这一结构，可以使语言表达更加准确、有力。掌握其基本结构和使用规则，有助于提高英语表达的流畅性和准确性。